<template>
  <header class="header">
            <!-- 头部的第一行 -->
            <div class="top">
                <div class="container">
                    <div class="loginList">
                        <p>尚品汇欢迎您！</p>
                        <p>
                            <span>请</span>
                            <a href="###">登录</a>
                            <a href="###" class="register">免费注册</a>
                        </p>
                    </div>
                    <div class="typeList">
                        <a href="###">我的订单</a>
                        <router-link to="/shopcart">我的购物车</router-link>
                        <a href="###">我的尚品汇</a>
                        <a href="###">尚品汇会员</a>
                        <a href="###">企业采购</a>
                        <a href="###">关注尚品汇</a>
                        <a href="###">合作招商</a>
                        <a href="###">商家后台</a>
                    </div>
                </div>
            </div>
            <!--头部第二行 搜索区域-->
            <div class="bottom">
                <h1 class="logoArea">
                    <router-link class="logo" title="尚品汇" to="/home">
                        <img src="./images/logo.png" alt="">
                    </router-link>
                </h1>
                <div class="searchArea">
                    <form action="###" class="searchForm">
                        <input type="text" id="autocomplete" class="input-error input-xxlarge" v-model='keyword'/>
                        <button @click='btnSearch' class="sui-btn btn-xlarge btn-danger" type="button">搜索</button>
                    </form>
                </div>
            </div>
        </header>
</template>

<script>
export default {
  name:'Header',
  data(){
    return {
        keyword:''
    }
  },
  methods:{
    //点击按钮跳转到Search页面
    btnSearch(){
        // this.$router.push({
        //     name:'search',
        //     query:{keyword:this.keyword || undefined}
        //     //点击搜索跳转的时候也要传参数，没有就undefined
        // },)
        // console.log(this.$route);
        let {query} = this.$route
        this.$router.push({
            name:'search',
            // query:{完全使用query参数
            //     ...query,//三级导航的参数
            //     keyword:this.keyword || undefined
            // }
            //点击搜索跳转的时候要把之前的点击的参数和搜索框的参数都传过去

            //这是把关键词放在了params参数里
            query,
            params:{
            keyword:this.keyword || undefined
        }



        },)
    }
  },
  mounted(){//挂载
    // 在删除关键字面包屑时，清空搜索框的数据
    this.$bus.$on('clearKeyword',()=>{
      this.keyword = ''
    })
  },
  beforeDestroy(){//即将销毁时把自定义事件销毁掉
  this.$bus.$off('clearKeyword')
  }
  
}
</script>

<style lang='less' scoped>
.header {
        &>.top {
            background-color: #eaeaea;
            height: 30px;
            line-height: 30px;

            .container {
                width: 1200px;
                margin: 0 auto;
                overflow: hidden;

                .loginList {
                    float: left;

                    p {
                        float: left;
                        margin-right: 10px;

                        .register {
                            border-left: 1px solid #b3aeae;
                            padding: 0 5px;
                            margin-left: 5px;
                        }
                    }
                }

                .typeList {
                    float: right;

                    a {
                        padding: 0 10px;

                        &+a {
                            border-left: 1px solid #b3aeae;
                        }
                    }

                }

            }
        }

        &>.bottom {
            width: 1200px;
            margin: 0 auto;
            overflow: hidden;

            .logoArea {
                float: left;

                .logo {
                    img {
                        width: 175px;
                        margin: 25px 45px;
                    }
                }
            }

            .searchArea {
                float: right;
                margin-top: 35px;

                .searchForm {
                    overflow: hidden;

                    input {
                        box-sizing: border-box;
                        width: 490px;
                        height: 32px;
                        padding: 0px 4px;
                        border: 2px solid #ea4a36;
                        float: left;

                        &:focus {
                            outline: none;
                        }
                    }

                    button {
                        height: 32px;
                        width: 68px;
                        background-color: #ea4a36;
                        border: none;
                        color: #fff;
                        float: left;
                        cursor: pointer;

                        &:focus {
                            outline: none;
                        }
                    }
                }
            }
        }
    }
</style>